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Defend against 'update oid'. Someday we might want to support 

that, but it'd be a New Feature, wouldn't it ... in the meantime,
avoiding a backend crash seems worthwhile.
This commit is contained in:
Tom Lane 1999-04-29 03:01:50 +00:00
parent fd31563777
commit 99f61dac7e
1 changed files with 3 additions and 1 deletions
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4
src/backend/parser/parse_target.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_target.c,v 1.34 1999/02/03 21:16:59 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_target.c,v 1.35 1999/04/29 03:01:50 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -216,6 +216,8 @@ MakeTargetEntryExpr(ParseState *pstate,
rd = pstate->p_target_relation;
Assert(rd != NULL);
resdomno = attnameAttNum(rd, colname);
if (resdomno <= 0)
elog(ERROR, "Cannot assign to system attribute '%s'", colname);
attrisset = attnameIsSet(rd, colname);
attrtype = attnumTypeId(rd, resdomno);
if ((arrayRef != NIL) && (lfirst(arrayRef) == NIL))